転ばないように

so as not to fall

→ 転ぶ
phrase Rare #38,444
so as not to fall Used to express taking care or doing something with the aim of preventing oneself or someone else from falling. With ね, it can be a gentle warning: “be careful not to fall.”
JA: 階段で転ばないように、手すりにつかまって。
EN: Hold on to the handrail so you don't fall on the stairs.

転ばないように

Be careful not to fall.

そのお腹転ばないように

Be careful not to trip with that belly.

— ROMA/ローマ (2018)

転ばないように十分気をつけた

I was very careful not to fall.