on; on top; upon; first (of two parts); previous or last (week etc); upper; higher; above; previous; to climb; to go into; above; to go up; to attend (class or university); third tone of putonghua[cedict]
证人
zhèng rénㄓㄥˋ ㄖㄣˊ
witness[cedict]
已
yǐㄧˇ
already; to stop; then; afterwards[cedict]
被
bèiㄅㄟˋ
by (indicates passive-voice sentences or clauses); to cover; to wear[cedict]
要求
yāo qiúㄧㄠ ㄑㄧㄡˊ
request; require; stake a claim (to something); to ask; to demand[cedict]
退席
tuì xíㄊㄨㄟˋ ㄒㄧˊ
to absent oneself from a meeting; to decline to attend[cedict]