It's difficult for me to be casual about anything.

要我轻松待事有难度。

《柯林斯英汉双解大词典》

Be casual about romance.

对于浪漫过于随意。

youdao

He pretended to be casual about the result of the competition.

他假装对比赛的结果漠不关心。

youdao

Again, we believe the stakes are too high to be casual about this.

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You want to take care not to be casual about making your choices and later discover you have a significantly less-than-optimal core group.

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Because they do not have to concern themselves with the economic consequences, they can be very casual about adding a few zeroes to a judgment when the plaintiff tugs at their heartstrings.

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