大切(たいせつ)にcarefully, with caution, with great care

誰(だれ)もが命(いのち)を大切(たいせつ)にするべきです。

Everyone should live their life with care.

音楽(おんがく)好(ず)きの彼女(かのじょ)は、楽器(がっき)を大切(たいせつ)にしている。

As a music lover, she takes great care of her instruments.

大切(たいせつ)に育(そだ)ててきた我(わ)が子(こ)が、ついに巣立(すだ)つ時(とき)が来(き)た。

The time has come for the child we have raised with great care to finally leave home.

体(からだ)を大切(たいせつ)にしてきたおかげで、８０(はちじゅっ)歳(さい)の今(いま)でも元気(げんき)です。

Thanks to taking care of my health, I am still energetic even at the age of 80.

どんなに大切(たいせつ)に扱(あつか)っても、たった一度(いちど)の過(あやま)ちでそれは壊(こわ)れてしまう。

No matter how carefully you handle it, a single mistake can break it.