腐らないようにしっかりと蓋を締めなさい。の英語

Tighten the lid so that it doesn't go bad.

of a lid, the condition of not fitting properly and having some room to move

Please secure the bolt firmly.

Tie up the parcel firmly with string.

Tighten up the screw.

No one can tell [predict] how it will turn out (until it actually happens).

We can't make a prediction until we see how it turns out.

set so close together as to be invulnerable to penetration

rope the bag securely

One can not say what will come out before it begins.

Remove the cover and tighten the screw.

Hold on firmly to the handrail.

a tendency to be depressed

to tie a sash loosely

Lace your shoes.

an act of removing the lid of a cask

Give it another screw to tighten it.

to shut one's mouth tight

to take off the lid―raise the cover―uncover a pot―open a box

lace one's corset tight

I can't take the lid off.

Keep your own counsel.

Hold on to the rope.

tighten (up) a bolt

Hold firm to the rope.

inspissate the tar so that it becomes pitch

nail down a carpet

to nail down the lid

The lid is nailed down.

Tie your shoelaces tightly.