a sacred cow

基本解释

Years ago he was a sacred cow in this field.
许多年以前，他在这个领域里是个神圣不可侵犯的人物。
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If anything is a sacred cow (or triceratops) in the office, it’s the desktop computer.
如果办公室里有圣牛(或三角恐龙)，那么它就是台式电脑。
Hindus consider the cow as a sacred animal. Bai said, “God will be pleased if I raise the cow.”
据悉，印度教教徒把母牛视为神圣的动物，白说：“我抚养它，上天会感到高兴的。”

Commitment to the company's existing technology, product line, distribution system or customer base becomes a sacred cow.
FORBES
"I like people to treat their 401(k) as a sacred cow, " says Dee Lee , author of The Complete Idiot's Guide to 401(k) Plans.
FORBES: Ball And Chain Borrowing
The government has proposed to slaughter a sacred cow of industrial relations—a law permitting courts to order the rehiring, with compensation, of sacked workers.
ECONOMIST: Room for improvement