YOU SAID:

get a trolley we're off to the shop

INTO JAPANESE

私たちは店に行くトロリーを手に入れる

BACK INTO ENGLISH

We get a trolley to go to the store.

INTO JAPANESE

私たちは店に行くためにトロリーを手に入れます。

BACK INTO ENGLISH

We get a trolley to go to the store.