Noviro
脑筋
Simplified 脑筋
Traditional 腦筋
Pinyin nǎo jīn
Definition brains; mind; head; way of thinking
别动脑筋，休息吧
Bié dòng nǎo jīn, xiūxí ba?
Don't use your brain, rest instead?
You might also see
筋
jīn
muscle; tendon; veins visible under the skin; sth resembling tendons or veins (e.g. fiber in a vegetable)
抽筋
chōu jīn
cramp; charley horse; to pull a tendon
钢筋
gāng jīn
steel reinforcing bar
筋骨
jīn gǔ
muscles and bones; physique; strength; courage
筋斗
jīn dǒu
tumble; somersault
皮筋
pí jīn
rubber band
青筋
qīng jīn
veins; blue veins
筋络
jīn luò
tendons and muscles