Phrasal Verbs with 'Latch'

Latch on

Understand, often after a long time

Example: They were lying, but it took her ages to LATCH ON.

Latch on to

Understand something, often after a long time

Example: The police didn't LATCH ON TO what the crooks were doing for years.

Latch onto

Connect to something

Example: The gecko LATCHED ONTO the ceiling.

Latch onto

Decide or realise that something is good or profitable

Example: Oil companies have LATCHED ONTO environmental ideas.