by all nerves

高度不安，神经紧张

button-down, buttoned up, buttonhole, buttonhook, buttress, buxom, buy, buy off, buy out, buy up, buyer, buzz, buzz off, buzz-word, buzzard, buzzer, by, by accident, by air, by all means, by analogy, by and by, by and large, by any means, by chance, by choice, by comparison, by courtesy of, by error, by far, by force, by hand, by heart, by instinct, by invitation, by itself, by leaps and bounds, by little and little, by means of, by mistake,