skill; expertise; experience; proficiency; mastery; dexterity
somewhat strong; fairly strong; fairly firm
to come loose; to come untied; to come undone; to loosen up (e.g. tension)
wintry sky; cold weather (in winter); wintry weather
correction; rectification; mending; repair
password; watchword; motto; slogan
to order; to command; to appoint
omission; leaving out; abbreviation; abridgment; abridgement
great hurry; great haste; rush
postbox; mailbox; post; position; post (e.g. goalpost); post (on a blog, social media, etc.)
name and address (on an envelope, etc.); (addressee's) name; addressee
postmark; (postal) cancellation mark
with a crack; with a cracking sound; with one's veins about to burst (from pent-up anger)
polite; courteous; civil; careful; close; thorough
letter; note; letter (alphabetic); character
blank form; sheets of paper; sheet of paper
to fold up; to fold into layers; to collapse (content on a webpage, etc.)
to draw close to; to edge up to; to snuggle up to; to nestle close to; to cuddle with; to draw closer to
biting louse (any louse of order Mallophaga); small winged insect (esp. a flying ant or termite)
Christmas Eve; holy night
small mercy (from some misfortune); silver lining of a dark cloud; consolation in sadness; blessing in disguise
all but dead; half killed
encroachment; invasion; erosion (e.g. of market share, rights); erosion; corrosion
lack of sleep; insufficient sleep
non-stop talking; speaking indiscreetly; chattering; thin; flimsy
boomerang; swim briefs; Speedos
look who's talking; you're one to talk; you can talk
to cock one's head in puzzlement; to tilt one's head in contemplation; to wrack one's brain; to think hard
flag; banner (administrative division of Inner Mongolia)
judging from appearances; to all appearances; from the looks of it; on the face of it; apparently; seemingly
clue; lead; key; handhold; hold
promising without due consideration
at any rate; anyhow; anyway; in any case; because