The low grade batteries failed after a week of use.

I'm low key excited about the concert, but I'm trying not to show it.

I picked a low-cal dessert from the cafe menu to stay on track with my diet.

The technician replaced the worn low-pass to eliminate the high-frequency noise in the recording.

The engineer adjusted the low-pass filter's cutoff frequency to reduce high-frequency noise.

They kept the down-low between themselves to protect their privacy.

The low-hangers on the drying rack kept tangling my shirts.

She refused to sit next to the low-life who had been causing a scene all night.

The film was criticized for its low-brow humor, but audiences loved it.

She opened the old chest, and low and behold, a stack of letters lay inside.