One weakness of mine is that I can be too relaxed about things.
ーOne of my shortcomings is that I'm too laid-back.
「私の短所の一つはおおらかすぎるところです」
shortcoming で「短所」
too laid-back で「おおらかすぎる」
ーOne weakness of mine is that I can be too relaxed about things.
「私の短所の一つはおおらかすぎることです」
weakness で「短所」
too relaxed で「寛大すぎる」
ご参考まで！
カナダ 
