單字解析
1. mother tongue  n. 母語
2. fluently  adv. 流利地
fluent a. 流利的
例:Mr. White can speak Chinese fluently.
(懷特先生能說流利的中文。)
Are you fluent in Cantonese?
(你廣東話流利嗎?)
3. matter  vi. 是重要的
=be important
例:It doesn't matter whether he comes or not.
=It isn't important whether he comes or not.
(他來不來都沒關係。)
4. as long as...   只要……
注意:
as long as為副詞連接詞, 引導副詞子句, 修飾主要子句。
例:As long as you are willing to work, you will not go hungry.
(只要你願意工作就不會挨餓。)

EX english 數位英語學院