to talk; to speak; to tell; to explain; to speak (a language)
smooth (of a surface); glassy; smooth (of an action, proceedings, etc.); fluent (speech); continuously differentiable
obstacle; impediment; hindrance; handicap; impairment; disability
familiar; well-known; regular (e.g. customer); old stand-by
mini-blog (e.g. Twitter); micro-blog
self-satisfaction; (self-)complacency; smugness
increasing; uploading; posting (e.g. content); close-up; finishing shooting (of a film, etc.); upswept hairstyle; being up (i.e. leading in sports)
old; former; the old; old things; old times; bygone days
at any rate; anyhow; anyway; in any case; because; as you know
skillful; skilled; proficient; flattery
as a child; when one was a child; childhood
homework; assignment; pending issue; unresolved problem; open question
parent; parents; dealer (in cards, mahjong, etc.); banker; founder; inventor; (pet) owner
to erase; to delete; to turn off (power); to switch off; to extinguish; to put out
to hear; to listen (e.g. to music); to ask; to enquire; to hear about; to hear of; to follow (advice, order, etc.)
parallel processing; array processing
level; standard; water level
to reach; to get to; to arrive at
mastery; learning through experience; realization; realisation; comprehension
to be conceivable that; to be thinkable that
thought; consideration; thinking
to obligate; to make compulsory; to require; to mandate
therefore; for that reason; such being the case
on duty; at work; while working
outward appearance; ostensible; public; official
strict prohibition; ban; interdiction
spare time; free time; leisure time
(powers of) concentration; ability to concentrate
lending (money); finance; loan; adaptability; versatility; flexibility
to be effective; to take effect; to work; to function well; to be possible (to do, use, etc.); to be able to
giving and taking; exchange (of letters); arguing back and forth; (conversational) exchange
stamp; sticker (in messaging apps); (large) emoji
hobby; pastime; tastes; preference; liking
to sleep (lying down); to go to bed; to lie in bed; to lie down; to sleep (with someone, i.e. have intercourse); to lie flat (e.g. of hair); to lie idle (of funds, stock, etc.)