be on the firing lineとは 意味・読み方・使い方

`After examination on the matter, Hikosaku KUBOTA, who was one of Kyogen writers and was the editor of "Kabuki Shinpo" (Kabuki Newspaper), was determined to be the one who did such a thing, and thus, Mr. KUBOTA came to be in the firing line.'発音を聞く 例文帳に追加

「詮議の結果、それは狂言作者の一人で『歌舞伎新報』の編集者たる久保田彦作の仕業に相違ないと決められて、久保田氏が批判の矢面に立つことになった。」 - Wikipedia日英京都関連文書対訳コーパス

It seemed that the offers to the other kugyo were one-sided and sudden, many of them were perplexed by the fact that they might be on the firing line between Goshirakawa and Yoritomo.発音を聞く 例文帳に追加

他の公卿についても一方的かつ突然の就任要請だったと見られ、後白河と頼朝の対立の矢面に立たされることに困惑する者も多かったと推測される。 - Wikipedia日英京都関連文書対訳コーパス