努

to exert / to strive

power / force / strength / ability / strenuously

slave

great effort / to strive / to try hard

to make a great effort; to try hard

Snoopy (comic strip pet dog)

Nurhaci (1559-1626), founder and first Khan of the Manchu Later Jin dynasty 後金|后金[Hou4 Jin1] (from 1616)

Nubia

Vanuatu, country in the southwestern Pacific Ocean

Chinook (helicopter)

to pout / to stick out one's lips

to work together / to collaborate

assiduous / taking great pains

to try harder / to redouble one's efforts

Nuuk, capital of Greenland

to extend / to push out (hands as a gesture) / to pout (i.e. push out lips)

to extend / to put forth