英和和英

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

above the head

to lower one's head

plunge headfirst

to refuse flatly―refuse point-blank―give a square refusal

I'm a bit out of it.

to condemn one without a hearing

to condemn one without a hearing

a white head

to break one's head

the function of the brain

to use one's head―do head-work―do intellectual work―exercise one's intellect

to take the tonsure

I am going to have my hair cut.

hit on the head

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

move one's head

with the head foremost

I feel out of it.

to give one's brain a rest

Use your head!

empty‐headed

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

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

of some idea, to appear for a moment in one's mind

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

to bow one's head―incline one's head

twist one's head