I can't give up just yet - I need to stick it out.

我不能就这么放弃了。我得坚持到底。

1.Give up：投降；放弃

例如：They gave up without a fight.（他们不战而降。）

【相关词组】

Give oneself up 自首；投案；投降
Give up on somebody 对……不再抱希望（或不再相信）

2.Just yet：仍；现在还；恰好现在（马上就）

例如：It wouldn't be wise to mention it to him just yet.（目前向他提这事还不是时候。）

3.Need to / (Have) need to (do something)：需要；需要做啥……

例如：I feel a need to talk to you about it.（我觉得有必要跟你谈谈那件事。）

4.Stick something out：坚持到底；忍耐到底

例如：She didn't like the course but she stuck it out to get the certificate.（她并不喜欢这门课，但为了拿证书还是耐着性子学完了。）