一针见血

一的英语翻译：

a; an; each; one; per; same; single; whole; wholehearted
【医】 mon-; mono-; uni-

针的英语翻译：

acupuncture; injection; needle; pin; pricker; stitch
【医】 acu-; needle; Pin; spicula; spicule; spiculum

见的英语翻译：

appear; catch sight of; meet with; opinion; refer to; see; view
【电】 induction density; instruction counter

血的英语翻译：

blood; lifeblood; related by blood
【医】 blood; haem-; haemato-; haemo-; hem-; hemat-; hemato-; hemo-; sangui-
sanguis