v.t./i.動詞 (他動詞/自動詞)抑制できなくなる : 維持できなくなるI will lose my temper if you keep bothering me
v.t./i.動詞 (他動詞/自動詞)(価値 : 質 : 重さなどを)減らすI am going to lose 20 kilos by summer
v.t./i.動詞 (他動詞/自動詞)衰える,弱るIf I don't practice I will lose my ability to speak Spanish
v.t./i.動詞 (他動詞/自動詞)(権利を)失う : 失効するIf you keep driving fast, you will lose your driving license
v.t./i.動詞 (他動詞/自動詞)負けるWe are going to lose the competition if we don't play better
v.t./i.動詞 (他動詞/自動詞)(どこかへ)置き忘れるI don't want to lose my book so I hold it tightly
v.t./i.動詞 (他動詞/自動詞)(否定形で人を)失うShe could not lose him so she moved to be near him