snap-off

基本解释

Pry off the back. It's usually just snap-fitted together.
撬开背面盖板，它一般只是扣在时钟上的。
I only asked if I could help-there's no need to snap my head off.
我只是问问我是否能帮什么忙——用不着这么气势汹汹地回答我。
Some words and expressions can be used for men, but not the men's typical performance, such as "pick tea-leaves", "deflowers and snap off grass".
有些词语虽能用于男性，但不是男性的典型表现，如“采茶”、“采花折草”等。

Peeling off the thin, snap-on battery cover reveals a micro-SIM slot and a 1, 750mAh battery to keep the handset juiced.
ENGADGET: Samsung Focus 2 review Mobile
The X-5 lets the user quickly and effortlessly select the desired shooting mode - from a total of 10 modes including the hands-off Auto Picture, Scene, Program, Manual, Landscape, and Handheld Night Snap - with a single turn of the mode dial, without having to access the on-screen menu.
ENGADGET: Pentax intros X-5 superzoom camera with 26x lens, tiltable LCD
The faceplates snap firmly into place, but you'll probably need the help of a coin to pry them off -- we still prefer the magnetic connection that Astro uses, rather than the snap-on designs from TB and Tritton.
ENGADGET: Turtle Beach XP Seven Series headset review: a new era of tournament-grade gaming audio