Glossary entry (derived from question below)
Persian (Farsi) term or phrase:
گربه را دم حجله کشتن
English translation:
To nip something in the bud
Persian (Farsi) term
Türkiye
Fast, Accurate, Reliable!
Native in: Persian (Farsi) 
Works in: Persian (Farsi) to English, English to Persian (Farsi), Dari to English, and 1 more.
گربه را دم حجله کشتن
Proposed translations
Iran
Responsibility, timeliness and quality!
Native in: Persian (Farsi)
Works in: English to Persian (Farsi), Persian (Farsi) to English, Dari to English, and 5 more.
To nip someone in the bud
Iran
+15 Years of Professional Experience!
Native in: Persian (Farsi) (Variant: Iranian (standard))
Works in: English to Persian (Farsi), English to Dari, Persian (Farsi) to English
killed the cat by the honeymoon suite
Iran
reliable & on time
Native in: Persian (Farsi) , English
Works in: Persian (Farsi) to English, English to Persian (Farsi)
to put down the law from the start
Over twenty years of translation
Native in: Persian (Farsi) (Variant: IRAN) , Armenian
Works in: English to Persian (Farsi), Persian (Farsi) to English, French to English, and 6 more.
Don't let procrastination eat your own clock
Iran
Top quality is just one step away!
Native in: Persian (Farsi) 
Works in: English to Persian (Farsi), Persian (Farsi) to English
to read (someone) the riot act
باید در همان ابتدای امر زور و قدرت را به حریف نشان داد
Now let's take a look the definition of the English idiom!
1. to give someone a severe scolding
2. to speak angrily to someone about something they have done and warn them that they will be punished if they do it again
3. to strongly warn someone to stop behaving badly
http://idioms.thefreedictionary.com/read the riot act
20+ yrs experience--native English
Native in: English
Works in: Persian (Farsi) to English, English to Persian (Farsi)
to lay down the law
we also use "to put the fear of God into someone"
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