臥床(がしょう)

lying in bed; bed rest

病臥(びょうが)

being bedridden with illness

横臥(おうが)

lying on one's side

臥竜(がりょう)

a person of great ability who has yet to emerge

臥薪嘗胆(がしんしょうたん)

persevering through hardships to achieve one's goal

床(とこ)に臥(ふ)す

to take to one's bed; to lie ill

病(やまい)に臥(ふ)す

to be bedridden with illness

彼(かれ)はまだ世(よ)に知(し)られていない臥竜(がりょう)だ。

He is an undiscovered genius.

長期(ちょうき)の臥床(がしょう)は、筋力(きんりょく)の低下(ていか)を招(まね)く。

Prolonged bed rest leads to a decline in muscle strength.