英和和英

to lower one's head―bow one's head―（謙遜してなら）―humble oneself

to raise one's head―hold up one's head

to hang one's head low

to hold up one's head―（頭角を現すの意味なら）―make a figure―cut a figure―cut a conspicuous figure―make a prominent figure.

to bob one's head―cringe

to cut one's hair

to make a great effort of the mind in order to understand or find the answer to a difficult question

to make repeated bows with one's head

throw one's head back

to scratch one's head―（恥じてなら）―hang one's head for shame

shave one's head

to lower one's head

to bow one's head―incline one's head

to take the tonsure

to shoot one through the head

pillow your head

to give one's brain a rest

move one's head

to lay one's head on the pillow―recline one's head on the pillow

lift one's head up

to break one's head

Duck!

to lower one's head

plunge headfirst

to condemn one without a hearing

above the head

hit on the head

to cringe

I am going to have my hair cut.

to beat one's brains―cudgel one's brains―rack one's brains―ransack one's brains