Aa｜a big headache～aware of .001 Bb｜back and forth～by way of .044 Cc｜call back～cut up .079 Dd｜day after day～dwell on .114 Ee｜each other～expert at／in／on .129 Ff｜face to face～from time to time .137 Gg｜get about／around～grow up .155 Hh｜hand down～hurry up .177 Ii｜if not～intent on .194 Jj｜judging by／from～just so .223 Kk｜keen on～kill time .227 Ll｜last but not least～lots of .236 Mm｜mad about／on～my treat .253 Nn｜name after～now that .265 Oo｜off and on～over and over （again） .275 Pp｜particular about～put up with .295 Qq｜quite a few／a lot .305 Rr｜rain cats and dogs～rush hour .305 Ss｜save one’s breath～sure of ／about .314 Tt｜take a leave～typical of .329 Uu｜uncertain of ／about～used to .347 Vv｜vital to～void of .350 Ww｜wait for～would rather .351 Zz｜zip code～zip （sb.／sth.） up .357
