solid as a rock

Adjective

not-comparable of a person

Japanese Meaning

非常に頑丈で、動かすことができないほど重い状態を表す比喩表現 / 信頼性が非常に高く、頼りになる人を比喩的に表現する

After the blizzard, the packed snow was solid as a rock, trapping cars on the highway.

吹雪の後、圧雪は非常に厚くて動かせないほど固まり、ハイウェイで車を立ち往生させた。

Sense（1）

(simile) Extremely thick and heavy, so as to make it impossible to move.

We're not going to be able to break down this door: it's solid as a rock.

Sense（2）

(simile, of a person) Very reliable and dependable

Stewart has been solid as a rock ever since becoming the new vice-chairman.