弛(たる)むto slacken, to loosen, to relax, to droop (e.g. loose or flabby skin), to sag (ceiling), to slack off (e.g. one's work, attention), to not put one's heart in

弛(たる)んでいたロープをピンと張(は)る。

Tighten the slackened rope taut. {to slacken, to loosen, to relax, to droop (e.g. loose or flabby skin), to sag (ceiling), to slack off (e.g. one's work, attention), to not put one's heart in}

頬(ほお)の肉(にく)が弛(たる)んでいるのがコンプレックスです。

I have a complex about the sagging skin on my cheeks. {to slacken, to loosen, to relax, to droop (e.g. loose or flabby skin), to sag (ceiling), to slack off (e.g. one's work, attention), to not put one's heart in}

社長(しゃちょう)：「社員(しゃいん)たち、弛(たる)んでいる気分(きぶん)を引(ひ)き締(し)めなさい！」

President: "Employees, tighten up your lax attitudes!" {to slacken, to loosen, to relax, to droop (e.g. loose or flabby skin), to sag (ceiling), to slack off (e.g. one's work, attention), to not put one's heart in}

連休(れんきゅう)明(あ)けで気(き)が弛(たる)んでいるからか、なかなか仕事(しごと)が進(すす)みません。

Perhaps because I'm feeling relaxed after the consecutive holidays, I can't seem to make much progress in my work. {to slacken, to loosen, to relax, to droop (e.g. loose or flabby skin), to sag (ceiling), to slack off (e.g. one's work, attention), to not put one's heart in}

先生(せんせい)：「試験(しけん)が終(お)わると気(き)が弛(たる)みがちだが、次(つぎ)の試験(しけん)に向(む)けて勉強(べんきょう)をしなさい。」

Teacher: "It's easy to slack off once an exam is over, but you must study for the next one." {to slacken, to loosen, to relax, to droop (e.g. loose or flabby skin), to sag (ceiling), to slack off (e.g. one's work, attention), to not put one's heart in}