欠か

欠か

"欠か" refers to "lack" or "missing" in English.

欠かせない (kakasenai) here means 'indispensable,' indicating something essential and cannot be lacking.

健康は人生に欠かせない要素です。

Health is an indispensable element in life.

欠かせません (kakasemasen) implies a formal or business context, emphasizing the necessity of technicians.

そのプロジェクトには技術者が欠かせません。

Technicians are indispensable for that project.

欠かない (kakanai) means 'not to be lacking,' highlighting the importance of attention.

彼の計画では注意が欠かないようにしましょう。

In his plan, let’s ensure nothing is overlooked.