conceal

( 隐瞒 ) cover ... up

obscure

cover ... up

private matters pl

faint

take cover ( pt took ) , pp taken ⇒ 警察隐蔽在一堵墙的后面。 Jǐngchá yǐnbì zài yī dǔ qiáng de hòumiàn. → The policeman took cover behind a wall.

conceal

hold back ( pt , pp held )

( 暗示的话 ) riddle

( 消失 ) disappear

be reluctant to discuss ⇒ 他似乎有难言之隐。 Tā sìhū yǒu nán yán zhī yǐn. → He seemed reluctant to discuss the subject.