to change completely; to change suddenly
doubt; question; uncertainty; skepticism; scepticism; suspicion
to tie (to); to fasten; to attach; to connect (one thing with another); to link; to bring together
to doubt; to distrust; to be suspicious of; to suspect
to feel around for; to fumble for; to investigate; to probe into; to explore (parts unknown); to enjoy (natural beauty)
to the utmost; to the best of one's ability
as much as one can; as much as possible; if at all possible
to behave; to conduct oneself; to act; to treat (someone) to (food or drink); to entertain (e.g. to lunch)
open; public; overt; free; unreserved; uninhibited
making out; necking; getting handsy; canoodling; being lovey-dovey; getting affectionate (with each other)
(practical) experience; personal experience; hands-on experience; first-hand experience
minute; detailed; careful; scrupulous; thorough
absolutely essential; indispensable; vital; critical
simple; easy; simplistic; inexpensive; cheap
key; lock; key (to a problem, success, etc.); clue
charge; cost; generation; age; era; a representative of; on behalf of
senior (at school, work, etc.); superior; elder; older person; predecessor
duplicate key; master key; passkey; skeleton key
valid; effective; yuko (judo)
use; utilization; utilisation; application
fate; destiny (esp. as a mysterious force that binds two people together); relationship (e.g. between two people); bond; family ties; affinity; opportunity
to lean (on, against); to rest (against); to recline; to rely on (someone); to depend on
like this; this sort; this way
steady; sound; solid; reliable; trustworthy
usual; normal; everyday; usually; normally; generally
gap; difference; disparity; discrepancy
all that one has; all that there is; the whole
shy; diffident; retiring; reserved
cold (e.g. weather); uninteresting (esp. joke); lame; dull
to be absorbed in; to lose oneself to; to disguise oneself as; to adorn oneself
front-facing; forward-looking; positive; constructive
consideration; examination; investigation; study; scrutiny; discussion
response; reply; answer; defence; defense
polite; courteous; hospitable; careful; handled with great care; treated with attention
ahead; before; the future; pardon me for leaving (first)
farewell; adieu; goodbye; so long
grounds (esp. of shrines and temples); compound; churchyard; precincts
embarking (a ship); embarkation; boarding; ship (carrying someone)
to feel awkward; to feel ashamed; to feel inferior; to feel shy (about doing something)
to rendezvous; to meet at a prearranged place and time; to arrange to meet
just the other day; quite recently
to freeze; to become frozen; to freeze over
to get tired of seeing; to get tired of looking at
(not) altogether; (not) wholly