pero no lo hizo

but he/she didn't do it

→ pero
phrase Uncommon #9,757
but he/she didn't do it The pronoun lo refers to something previously mentioned or understood. The subject and tense can change: for example, pero no lo hice means “but I didn't do it,” and pero no lo hará means “but he/she won't do it.”
SP: Dijo que iba a llamarme, pero no lo hizo.
EN: He said he was going to call me, but he didn't.

Mary quiso preguntar algo pero no lo hizo.

Mary wanted to ask something, but she didn't.

Él iba a venir para formar una sociedad, pero no lo hizo.

He was going to come to form a partnership, but he didn't.

— Anaconda (2025)

Tom podía haber venido ayer, pero no lo hizo.

Tom could have come yesterday, but he didn't.

Ella prometió casarse con él, pero no lo hizo.

She promised to marry him, but she didn’t.

Tomás me pudo haber ayudado, pero no lo hizo.

Tomás could have helped me, but he didn’t.

Podría haberme mordido, pero no lo hizo.

It could have bitten me, but it didn't.

Oh, pero no lo hizo.

Oh, but he didn't.

— Chicago (2002)

Tom quería ir a nadar con Mary, pero no lo hizo.

Tom wanted to go swimming with Mary, but he didn't.

Tom debía haber invitado a Mary, pero no lo hizo.

Tom should have invited Mary, but he didn’t.

Mary quería preguntar algo pero no lo hizo.

Mary wanted to ask something, but she didn't.

Le dije a Tom que ayude a Mary, pero no lo hizo.

I told Tom to help Mary, but he didn't.

Por supuesto que podía haberme ayudado, pero no lo hizo.

Of course he could have helped me, but he didn't.

Él prometió venir, pero no lo hizo.

He promised to come, but he didn't.

Tom debería haber invitado a Mary, pero no lo hizo.

Tom should have invited Mary, but he didn't.

Su papá amenazó con golpear al entrenador, pero no lo hizo.

Her father threatened to hit the coach, but he didn’t.

— La escafandra y la mariposa (2007)