terrible twos

noun

(informal) A developmental stage in toddlers, normally occurring around the age of two, involving refusals and temper tantrums.

The terrible twos can be a challenging time for parents.

意味（1）

(informal) A developmental stage in toddlers, normally occurring around the age of two, involving refusals and temper tantrums.

The terrible twos can begin at 18 months and last until about age five.