My strong point is that even when I'm busy, I can face customers with a smile.
I am good at working in a team / I am good at cooperating with my colleagues
I have four years' experience working in customer-facing roles and I pride myself on giving customers the best service possible
「私の強みは忙しくても笑顔で対応できるところです」＝ My strong point is that even when I'm busy, I can face customers with a smile.
②同僚と協力して働けます → I am good at working in a team / I am good at cooperating with my colleagues
③接客業の経験が4年あり、思いやりのある接客を心がけています → I have four years' experience working in customer-facing roles and I pride myself on giving customers the best service possible
④向上心が強く、改善できる点があれば考え行動に移します → I am very ambitious and I'm always thinking about how to improve myself
面接を頑張ってね！Good luck! ^^
My strength is being able to stay positive and smile even when I’m busy.
こんにちは！
ご質問ありがとうございます。
ご質問について、いくつか言い方が考えられますが、例えば、
My strength is being able to stay positive and smile even when I’m busy.
とすると、「私の強みは忙しくても笑顔で[対応](https://eikaiwa.dmm.com/uknow/questions/36228/)できるところです。」となります。
役に立ちそうな単語とフレーズ
strength 強み
stay positive 前向きでいる
smile 笑顔を見せる
参考になれば幸いです。
イギリス 
日本 
