気を失ったが

lost consciousness, but

→ 気
phrase Rare #31,742
lost consciousness, but 気を失った is the past form of 気を失う, meaning “to lose consciousness,” followed by が meaning “but.”
JA: 彼は突然気を失ったが、すぐに意識を取り戻した。
EN: He suddenly lost consciousness, but quickly regained consciousness.

その女の子は気を失ったが私達が彼女の顔に水をかけると、意識を取り戻した

The girl fainted, but she regained consciousness when we splashed water on her face.

乗客の一人気を失ったが客室乗務員意識を回復させた

One of the passengers fainted, but a flight attendant revived them.

彼女は気を失ったが数分後正気に戻った

She fainted, but came to a few minutes later.

その少年は気を失ったが我々が彼の顔に水をかけると、意識を取り戻した

The boy fainted, but he regained consciousness when we splashed water on his face.

彼は空腹疲労気を失ったがしばらくして意識を取り戻した

He fainted from hunger and exhaustion, but regained consciousness after a while.

彼女は気を失ったが数分後意識を取り戻した

She fainted but regained consciousness a few minutes later.