有幾個原因導致這個問題，詞彙量有限和語法能力的嚴重不足，還有缺乏自信心

有幾個原因導致這個問題，詞彙量有限和語法能力的嚴重不足，還有缺乏自信心而害怕失敗

Results (English) 1:

There are several causes of this problem, a serious shortage of limited vocabulary and grammar ability, as well as a lack of confidence and fear of failure

Results (English) 2:

There are two reasons for this problem, limited volume and insufficient legal ability, lack of self-confidence and fear of failure.

Results (English) 3:

There are several reasons for this problem: limited vocabulary, serious lack of grammatical ability, lack of self-confidence and fear of failure