平静を保つ

へいせいをたもつ

to keep one's temper, to maintain one's composure, to remain calm, to keep presence of mind, to preserve one's equilibrium

静

せい しず

quiet, calm, still

静心

しずごころ しずこころ

calm mind, placid temperament

静音

せいおん

low volume, silent

静電

せいでん

static electricity

静的

せいてき

static

静観

せいかん

watchful waiting, careful supervision

静注

じょうちゅう せいちゅう

intravenous injection, IV

静夜

せいや

quiet night

寂静

じゃくじょう せきせい

calmness of the heart, enlightenment

静穏

せいおん

serene, tranquility, tranquillity

静か

しずか

quiet, silent

静脈

じょうみゃく

vein

静座

せいざ

sitting calmly and quietly (i.e. in order to meditate)

静聴

せいちょう

listening quietly

動静

どうせい

state, condition, movements, developments

静養

せいよう

(convalescent) rest

静岡

しずおか

Shizuoka (city)

鎮静

ちんせい

calm, quiet, tranquility, tranquillity, appeasement, pacification