他是想

he wants to

→ 他
phrase Rare #19,353
he wants to 是 adds emphasis, highlighting his intention; 想 here means “want to” or “intend to.”
CH: 他是想帮你。
EN: He wants to help you.

他是想帮自己消毒

He wants to disinfect himself.

— 汉江怪物 (2006)

他是想怎么样分配遗产的

How does he want to distribute the inheritance?

— 伊莲娜 (2011)

他是想把蛋糕做大了自己吃而已

He just wants to make a bigger cake so he can eat it himself.

— I Am What I Am 2 (2024)

他是想保护那些从塔楼回家的人。

He wants to protect those coming home from the tower.

他是想用他的新行头侮辱我吧?

He was trying to insult me with his new getup, wasn't he?

— 指环王2:双塔奇兵 (2002)

他是想取笑我吗

Was he trying to make fun of me?

— 办公室的故事 (1977)

他是想跟我拉关系啊

He’s trying to get close to me.

— 办公室的故事 (1977)