1. 使安静/使平静：tranquillity /平静/稳静/宁静/ | tranquillize /使安静/使平静/ | tranquillizer /镇定剂/
1. (用镇静剂)使安定，使镇静，使昏睡
To tranquillize a person or an animal means to make them become calm, sleepy, or unconscious by means of a drug.
e.g. This powerful drug is used to tranquilize patients undergoing surgery.
这种强效药剂被用来麻醉手术病人。
verb
1. cause to be calm or quiet as by administering a sedative to
e.g. The patient must be sedated before the operation
Synonym: sedatecalmtranquilizetranquillise
2. make calm or still
e.g. quiet the dragons of worry and fear
Synonym: calmcalm downquiettranquilizetranquillisequietenlullstill