quiet down
词形变化：
副词: quietly | 形容词比较级: quieter | 形容词最高级: quietest | 名词: quietness | 动词过去式: quieted | 动词过去分词: quieted | 动词现在分词: quieting | 动词第三人称单数: quiets |
同义词：
peaceful | alleviate | allay | peace | quieten | tranquillity | fall silent | trouble-free | peace and quiet | stillness | quietude | still | silent | calm | tranquil | serene | hushed | subdued | placid | silence | lull | tame | soundless | dumb | speechless | hush | motionless | numb | pacific | conciliate | composure | pacify | orderly | soothe | compose | quell | modest | private | asleep | appease | assuage | joy | sleepy | patient | mum | tranquility | repose | serenity | pipe down | tranquillise | quiesce | muted | quiet down | tranquillize | placidity | smooth | calm down | quietly | restrained | tranquilize | unruffled | noiseless |
反义词：