プログレッシブ和英中辞典(第4版)の解説
ひさし【×庇・×廂】
❶〔屋根の〕the eaves
ひさしの下につばめが巣を作った
Swallows nested under the eaves.
❷〔帽子の〕a visor; the peak (of a cap)
ひさしを貸して母屋を取られる
❶〔一部を貸して全部取られる〕offer to lend a coat and be robbed of even the clothes one is wearing
❷〔善意に付け込まれる〕have one's kindness taken advantage of;((諺)) Give him an inch and he'll take an ell.
❸〔恩をあだで返される〕be bitten by the mouth that accepted one's charity; be returned evil for good