Words to describe bad luck?

Back, no, unlucky.

Bad luck, bad luck, bad luck, bad luck, bad luck, bad luck.

stagnate

Drinking cold boiled water makes you choke, eating tofu makes you choke. Unexpected trouble is a lucky word once in a blue moon.

Luck has turned in sb's favor.

This is a great honor.

See the right time to act

adjust to changing circumstances

Waiting for unexpected gains

It's like finding the most precious/rare treasure-if you get the treasure.

Especially favored by nature.

Don't miss this opportunity.

time and tide wait for no man

Turn the corner-tide over the difficulties

safe and sound

As strong as Mount Tai-as strong as a rock.

gain both fame and wealth

set up/erect a pole and you see its shadow―get instant/quick results

(of an unknown person) achieved amazing results at the first attempt.

Pass the exam with honors

wedding

After a long drought, there was a happy rain.

Encounter an old friend in a distant/foreign country.

Once in a blue moon,

Luck has changed,

A godsend,

God willing,

Opportunity is rare,

It's now or never,

Near the water tower,

Get there first.

One step into the sky,

Become famous in one fell swoop,

Double happiness,

I'm lucky to have three lives,-

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