try hard
奋战, 努力
例句与用法：
Mary tried hard to wink back her tears, but Jim could see that she had been crying.
玛丽努力试图眨掉眼泪，可吉姆还是看出她哭过。
She ought to succeed; goodness knows she tries hard enough.
她应能成功，她确实够努力的。
She hasn't had much success yet. Mark you, she does try hard.
她还没做出什麽成绩来。但她确实很努力。
词形变化：
名词复数: tries | 动词过去式: tried | 动词过去分词: tried | 动词现在分词: trying | 动词第三人称单数: tries |