run up against

transitive

(transitive) To begin to encounter problems with (someone or something).

Japanese Meaning

（他動詞）～に問題や困難が生じる、直面する。

During the negotiations, we began to run up against unexpected legal obstacles.

交渉の最中、私たちは予期せぬ法的な障害に直面し始めた。

Sense（1）

(transitive) To begin to encounter problems with (someone or something).

The latest model has run up against the limits of its technical capacity.

runs up against

（ present singular third-person ）

running up against

（ participle present ）

ran up against

（ past ）

run up against

（ participle past ）