命を保つ

いのちをたもつ

to preserve life

命を絶つ

いのちをたつ

to end one's life; to commit suicide

手をつなぐ

てをつなぐ

to join hands (with)

顔をつなぐ

かおをつなぐ

to keep up acquaintance

ぐつぐつ

simmering, boiling gently

口をつぐむ

くちをつぐむ

to hold one's tongue, to shut up

命を削る

いのちをけずる

to shorten one's life (through hardship, etc.); to hasten one's death

命を張る

いのちをはる

to put one's life on the line

命を奪う

いのちをうばう

to take someone's life; to kill someone

命を拾う

いのちをひろう

to narrowly escape death; to have a narrow escape from death

命を奉じる

めいをほうじる いのちをほうじる

to obey orders

命を懸ける

いのちをかける

to put one's life on the line, to risk one's life, to put everything one has into it

命を捨てる

いのちをすてる

to give one's life, to lay down one's life

命令を下す

めいれいをくだす

to give an order

命を捧げる

いのちをささげる

to give one's life (e.g. in battle), to devote one's life (e.g. to a cause)

命を惜しむ

いのちをおしむ

to hold one's life dear, to be reluctant to die

命を縮める

いのちをちぢめる

to shorten one's life

命を落とす

いのちをおとす

to lose one's life

天命を知る

てんめいをしる

to turn 50, to reach 50 years of age