reluctant
释义： 形容词，表“不情愿的，勉强的”，在留学文书中可以作为unwilling的同义词和书面化形式进行替换，达到丰富词汇的目的。
例句：
Boeing was reluctant at first to follow suit, but last August it launched its own re-engined SANB airplane, the 737 MAX, with first deliveries scheduled for 2017.
School districts may be reluctant to provide intervention or special instruction for such children because they would not meet minimum qualifying criteria for services.