揺(ゆ)らぐto swing, to sway, to shake, to tremble, to waver, to feel shaken, to become unstable

魚(さかな)が泳(およ)いだので水面(すいめん)が揺(ゆ)らいでいます。

The water surface is wavering as the fish swims.

成績(せいせき)が落(お)ちてきて、僕(ぼく)の部長(ぶちょう)という地位(ちい)が揺(ゆ)らいでいる。

My grades are falling, and my position as the department head is becoming unstable.

美味(おい)しそうなケーキをもらった。ダイエットの決意(けつい)が揺(ゆ)らいだ。

I received a delicious-looking cake. My determination to diet was shaken.

枝(えだ)が風(かぜ)に揺(ゆ)らいでいます。そのうち桜(さくら)の花(はな)びらは散(ち)ってしまうでしょう。

The branches are swaying in the wind. The cherry blossom petals will eventually fall.

地震(じしん)で家(いえ)が大(おお)きく揺(ゆ)らいだものの、耐震(たいしん)性(せい)に優(すぐ)れた建物(たてもの)のため幸(さいわ)い倒壊(とうかい)は免(まぬか)れた。

Although the house shook greatly during the earthquake, fortunately it did not collapse due to the building's superior earthquake resistance.