with a sudden output of effort
急に力を出して
with a surprised look
びっくりした顔つきをして
with a suspicion of humor
ちょっぴりユーモアをまじえて
with a thin face and sharp features
細おもてで目鼻立ちがはっきりとした
with a three-year warranty
３年間保証付きで
with a thump
ドンと（音を立てて）
with [in] a tight grip
しっかりした握り（方）で
with a touch of irony in one's voice
少し皮肉っぽい調子で
with a twist of one's neck
首をねじって
with a vague smile
あいまいな笑顔で
