stay

stay strong不是加油的意思，stay strong的意思是保持强壮，坚强，要坚强。stay strong的例句：I told her to stay strong and that everything would work out（我告诉她要坚强，一切都会好起来的）。

stay strong的例句：You've got to stay strong and healthy（你应该活的更坚强和更健康）；Protein helps your body grow and stay strong（蛋白质有助于你的身体成长、保持强壮）。