倦

面露倦意

miàn lù juàn yì

to look tired

不倦

bù juàn

tireless

不知疲倦

bù zhī pí juàn

untiring

亹亹不倦

wěi wěi bù juàn

on and on

倦容

juàn róng

a weary look (on one's face)

倦怠

juàn dài

worn out

劳倦

láo juàn

exhausted

厌倦

yàn juàn

to be weary of; to be fed up with; to be bored with

困倦

kùn juàn

tired

孜孜不倦

zī zī bù juàn

lit. diligent and never slacking (idiom); continuous concentrated effort

学而不厌，诲人不倦

xué ér bù yàn , huì rén bù juàn

study tirelessly, teach with endless enthusiasm (idiom, from Analects)

惫倦

bèi juàn

tired and sleepy