to leave; to depart; to take one's leave
to go by; to go past; to run (between; of a rail service, bus route, etc.); to operate (between); to go indoors; to go into a room; to penetrate
to appear ...; to look like ...; to seem ...; to have a trace of; to be tinged with
difficult to be (in a place); not feeling like staying
to collapse; to crumble; to get out of shape; to lose one's shape; to break down; to be thrown into disarray; to crash (stock market)
amplitude; degree of vibration; range of vibration; degree of instability
at the critical moment; when the time comes; when it's most important; when necessary; in an emergency; when push comes to shove
(powers of) concentration; ability to concentrate
high; tall; expensive; high-priced; high (level); above average (in degree, quality, etc.)
bold; shameless; cheeky; brash; impudent