In this sentence

①be reluctant to do sthadj.不情愿做某事；勉强做某事

Synonymsunwilling, hesitant, loath, disinclined

句中为“be reluctant to do sth”经典搭配，表示主语主观上犹豫、不情愿去做某动作（此处指不情愿给出自己的预测）。

• If we are reluctant to see ourselves, we will be incapable of understanding others.如果我们不愿正视自己，就无法理解他人。

②a reluctant sb / sthadj.勉强的；不情愿的

Synonymsunwilling, grudging, resistant

• A reluctant heart turns a simple journey into a thousand miles.心若不情愿，咫尺亦成千里遥途。