tranquillize meaning in English

vt.,vi.
(变)镇定，(变)安定。
-(l)ization n.

Mr. sympson was appeased and his family tranquillized .
辛普森先生气消了，他一家人也安定下来了。
" are you quite sure you do not say so to tranquillize my fears
“您这样说只是想安慰我是吗？
The game warden tranquillize the rhinoceros with a drug dart
猎物保护区管理员用麻醉射器让犀牛静了下来。
The game wardens tranquillized the rhinoceros with a drugged dart
猎物保护区管理员用麻醉射器让犀牛静了下来