v.坚持;不屈不挠
When things get difficult, you just have to grit your teeth and persevere. 遇到困难只需咬紧牙关坚持下去。
If you persevere with work, you'll succeed in the end. 你如果把工作坚持下去,最终会取得成功的。
He was hopeless at French, but his teacher persevered with him. 他怎么也学不会法语,可是老师仍锲而不舍地帮助他。