委任[inin] charge
委任状[ininjou] commission
一任[ichinin] entrusting
引責辞任[insekijinin] taking responsibility upon oneself (and resigning)
解任[kainin] dismissal

帰任[kinin] return to one's post
共同責任[kyoudousekinin] joint responsibility
兼任[kennin] concurrent post
後任[kounin] successor
口任せ[kuchimakase] random talk

お先に[osakini] before
この先の心持ち[konosakinokokoromochi] feelings from this point on
データの先頭[deetanosentou] beginning of data
ペン先[pensaki] pen nibs
一寸先[issunsaki] an inch ahead

一足先[hitoashisaki] one step ahead
烏有先生[uyuusensei] fictitious person
縁先[ensaki] veranda edge
下馬先[gebasaki] dismounting place
火先[hisaki] flames

験を担ぐ[genwokatsugu] to be superstitious
加担者[katansha] accomplice
責任分担[sekininbuntan] sharing of responsibilities
担ぎ上げる[katsugiageru] to carry up
担ぐ[katsugu] to shoulder

担架[tanka] stretcher
担当[tantou] (in) charge (of an area of responsibility, but not necessarily supervision of staff)
担当課長[tantoukachou] section manager
担当者[tantousha] person in charge (of an area of work, but not necessarily supervising other staff)
担当部長[tantoubuchou] senior Manager

お生憎様[oainikusama] that's too bad (ironical)
御誕生日おめでとうございます[otanjoubiomedetougozaimasu] Happy Birthday
隣の芝生は青い[tonarinoshibafuhaaoi] the grass is always greener on the other side
生きがいい[ikigaii] fresh (e.g. fish)
コンピューター援用生産[konpyuutaaenyouseisan] computer-aided manufacture

委託生[itakusei] scholarship student sent by government office or business
生す[nasu] to build up
異常発生[ijouhassei] plague
医学生[igakusei] medical student
医学生物学[igakuseibutsugaku] medical biology