他年纪太大，经不起那么摔一跤。He's too old to come through a fall like that.他们吹口哨挑逗我，我窘迫之下绊了一跤。They wolf-whistled at me, and I was so embarrassed I tripped up.她这一跤跌得这么重，我想是救不过来了。She fell so heavily I thought she was a goner....

“跤”的英语可以翻译为：a stumble，a fall...