break one’s head over

break one’s head over为(某事)绞尽脑汁：Mother broke her head over her naughty child’s study，he often played truant and made his teacher angry for this.妈妈为她那淘气孩子的学习绞尽脑汁，她的孩子时常逃学因而使老师生气。

• thermal instrument
• at half
• go
• complacencies
• dystaxia
• Athenian Bee
• jet rotor
• hyperkinetic
• neuromastic
• dead freight
• gondola back
• contact hypothesis
• in-line skating
• time machine
• gentlemanlinesses
• joist
• de novo
• vapourless
• gaed
• crest stage
• taunt
• isolating mechanism
• cloud capped
• geotectogene
• airland
• starspot
• antiskid
• photinos
• Capricornians
• acoustic feature
• two or three
• calf-length
• angiocarpic
• stoke up
• sluggishnesses
• flinders
• royal tenniss
• Mixtecan
• spiral galaxy
• stuffshirtedness
• aums
• vocoder
• get one's money's worth
• Holi
• articles of the navy
• administer
• beard -grass
• boblet
• merci
• rammelsbergites
• switchbacks
• control read-only memory
• druggeting
• embitter
• tartaric acid
• visual Herschel effect
• phoss
• at the end of one's tether
• float banking
• slily
• grandfather cycle
• tai chi chuans
• sentenced
• optical contact
• Napierian logarithm
• juxtaposition twins
• lognormal
• star-crosseds
• overleaped
• Santos-Dumont, Alberto
• fyces
• intuitions
• peckers
• the collywobbles
• drawknife
• eventides
• Blood Diseases
• phenol-furfural resin
• another / a different kettle of fish
• OTT
• naphthyl group
• armyworms
• relearnings
• modern conrtol
• lead silicate
• gotta lotta bottle
• subduer
• ruby spinel
• spin the platter
• twisting
• off-board
• subject something to
• reticulosis
• pterygotus
• tube planting
• embarkations
• enanthemas
• joyful
• (on) sale or return
• broomy flow