進退兩難

no room to advance or to retreat (idiom); without any way out of a dilemma / trapped / in an impossible situation

to go forward / to advance / to go in / to enter / to put in / to submit / to take in / to admit / (math.) base of a number system / classifier for sections in a building or residential compound

to advance or retreat / knowing when to come and when to leave / a sense of propriety

to retreat / to decline / to move back / to withdraw

to retreat; to withdraw / to reject; to return (sth) / to decline

two / both / some / a few / tael, unit of weight equal to 50 grams (modern) or 1⁄16 of a catty 斤[jin1] (old)

dilemma / quandary / to face a difficult choice

difficult (to...) / problem / difficulty / difficult / not good

disaster / distress / to scold