come down to / come down with
"After surviving a long-haul flight of 20 hours, Sarah came down to high fever and terrible cold." X
可以更改為"After surviving a long-haul flight of 20 hours, Sarah came down with severe cold and flu."
"Come down with something" 才是患上或染上小病痛的意思。"Come down to something" 純粹指歸根究底在於的事情。例子：
"Getting all students to interact still comes down to the teacher."
set off / set on / set in / set out
"Derek set in a career in medicine." X
這個可以更改為 "Derek is set on a career in pharmaceutical industry."
Set off 一般指旅程的開始
例子： "I set off for a new adventure on the first day of 2023. "
Set out 一般指朝着特定的目標開始實行，也可解釋為旅程的開始。
例子： "I set out my teaching plans for the next semester."
Set in 一般指一些比較負面的事情剛剛降臨或開始
例子："The storm is set in for the day, so we have to cancel the mountain trip."
Set on 一般是圍困堵截或攻擊某人，有時也可以指下定決心去達成某事情。
例子："George has been set on becoming an architect since he was 6 years old."
"The mouse was [set on] by a cat."
Ride on / ride out / ride up
例子： "I ride on my scholarships to study abroad."
Ride up 一般指衣服向上收、縮起的意思
例子： "I am a bit annoyed when the new pair of trousers ride up on me."
Ride out 一般指安然渡過困難或是難關
雖然疫情逐漸穩定，大家也準備一切恢復正常，也要繼續檢測、配合防疫要求。Let's [ride out] the COVID storm！