化学: chemistry, chemical...
闸: gear, brake, sluice, lock (on waterway), electric switch or circuit breaker...
暗示: to hint, to suggest, suggestion, hint...
玉: jade...
杀手: killer, murderer, hit man, (sports) formidable player...
顺心: happy, satisfactory...
双: two, double, pair, both, even (number)...
妈妈: mama, mommy, mother...
尽可能: as far as possible, to do one's utmost...
一面: one side, one aspect, simultaneously... (and...), one's whole face...
