fractious

The long flight made the toddler fractious and prone to sudden crying spells.

(Chinese) 长途飞行让那个蹒跚学步的孩子变得烦躁易怒，动不动就大哭。

Political leaders struggled to manage the fractious coalition of opposing parties.

(Chinese) 政治领导人难以管理这个由对立党派组成的易发生冲突的联盟。