にかかっているhinges on; rides on
How something important turns out rests on one thing, and you say which. The outcome is still open, and a lot is riding on it.
Whether these negotiations reach an agreement hinges on the other side's reply.
The company's future hinges on the new president's judgment.
How to form it
Outcome は + what decides it + にかかっている
The outcome is a noun (将来, 勝敗, 成功) or, very often, a question: 成功するかどうかは. What decides it is a noun or a question too.
- Before に
- A person (君, 監督), what someone does (努力, 判断, 返答, 準備), or a question (どう使うか).
- Tone
- Weighty. With something small it tends to sound mock-serious.
- Where you'll meet it
- Conversation, pep talks, sports pages, news, business.
In use
The patient's life depends on the treatment given over the next few hours.
Whether we win today is down to you.
Straight after a person: it all rests on them.
Whether you pass depends on how you use the time you have left.
A question before に.
Two things to know
がかかっている is "at stake"
Turn the sentence round and the particle changes.
The title hinges on tomorrow's match.
Before に is what decides it: the match.
The title is at stake in tomorrow's match.
Before が is what stands to be won or lost: the title.
かかっている has other meanings
かかる does many jobs, and some end the same way: 壁に絵がかかっている, a picture is hanging on the wall; 病気にかかっている, to be ill with something. "Hinges on" has an outcome as its topic.
Close neighbours
次第N2
Also "depends on", but cooler, and fine for small things: 天気次第. にかかっている says how much is riding on it.
Whether you go is up to you.
によって・によるN3
Things vary from case to case: 人による, it depends on the person. Nothing is at stake, and no one thing decides.
Business hours vary from store to store.
いかんN1
"Depends on" in stiff official writing.
Whether the negotiations succeed depends on the efforts of both sides.
Check yourself
1Which one fits?
この
Choose an answer to see why.
2What does this mean?
次の
Choose an answer to see why.
More sentences
The outcome of the match hinges on the players' concentration.
Whether people can be evacuated in time depends on how fast the first response is.
Whether the market takes to the new product hinges on the publicity before its launch.
The region's recovery depends on long-term support.