1. The phrase "只要笑一笑" can be translated to "As long as you smile" or "So long as you laugh."2. The phrase "什么事都會過去" can be translated to "everything will pass" or "all will be well."3. Combining these translations, a more natural English phrase would be "As long as you smile, everything will pass."4. To make it sound more like a saying or proverb, you could say, "A smile can conquer all, for all will pass with a laugh."