Idioms starting with L/M/N

Not see the wood for the trees

To not see or understand the main point about something, because you are paying too much attention to small details

Nip something in the bud

To stop something when it has just begun because you can see that problems will come from it

No pain, no gain

Used to say that you need to suffer if you want to achieve something

Not have a snowball's chance in hell

To have no chance at all

Not the sharpest tool in the box

Not intelligent

Not by a long chalk

Not nearly, not at all

Not turn a hair

To show no surprise, shock, when something unusual or unexpected happens