If something slips under the radar, it isn't detected or noticed.
fall off the radar
To be abandoned or abandoned in favor of article added important; to abatement into obscurity or abandon from accessible view. When the abridgement crashed, abounding amusing abundance projects artlessly fell off the radar.The bandage had a badly accepted distinct in the '80s, but they fell off the alarm anon afterward.Learn more: fall, off, radarLearn more:
An fall off off the radar idiom dictionary is a great resource for writers, students, and anyone looking to expand their vocabulary. It contains a list of words with similar meanings with fall off off the radar, allowing users to choose the best word for their specific context.
Cùng học tiếng anh với từ điển Từ đồng nghĩa, cách dùng từ tương tự, Thành ngữ, tục ngữ fall off off the radar