He can be, sometimes, a little bit brutal or impulsive in his reaction.

他有时的反应可能有一点令人不快或者容易冲动。

youdao

You feel a bit wild or impulsive and may act in an impulsive manner which could embarrass you later.

你感到有点狂野和冲动，但你冲动的行为过后会给你带来尴尬。

youdao

Li: When it comes to work, you need to adopt a very down-to-earth attitude, and you can't just pursue fancy or impulsive ideas.

李开复：谈到工作，你要培养一种脚踏实地的态度，而不要仅仅耽于幻想或一时冲动。

youdao

By doing this, I will sometimes miss the trade altogether, but avoiding high-risk or impulsive trades can really make a difference in your bottom line.

FORBES: Avoiding Those Costly Impulsive Trades

You are high-energy or impulsive to the point of being impatient.

NPR: Should You Take the SAT or the ACT?

Decision fatigue can also explain other undesirable managerial behaviors, including losing focus in meetings, getting angry with colleagues, or making impulsive, irrational decisions without considering the consequences.

FORBES: Avoiding the Dreaded Decision Fatigue