slip under the/(someone's) radar

To go unnoticed or undetected (by someone). With so many different amendments to the bill being made, the Democrats were able to slip some healthcare funding under the radar. As the manager of this office, it's inexcusable that you allowed embezzlement by an employee to slip under your radar.

Common Names:

Name	Pronounced	Usage
Premysl	-	Medieval Slavic (Hypothetical)
Georgina	[dʒɔ:'dʒi:nə]
Thor	THOR (English), TOR (Danish), TOOR (Swedish, Norwegian)	Norse Mythology, Danish, Swedish, Norwegian
Kassia	KA-shə	English (Rare)
Aleksey	ah-lyek-SYAY (Russian), ah-leek-SYAY (Russian)	Russian, Ukrainian, Belarusian
Paki	-	Southern African, Xhosa