The connection is bad.＝つながりが悪い。
The connection is unstable = つながりが安定してない。
全く接続できない時は、I can't connect. または、I don't have connection. を使うこともできます。
少しでもお役に立てれば幸いです。
ありがとうございました。
*The connection is terrible/The connection is unstable. When the internet connectivity is bad/unstable it becomes difficult to skype or use applications supported by internet.
Example Sentences:
Can I talk to you later I'm failing to connect to Skype?
We might have to cancel the interview, I'm experiencing connection problems.
*The connection is terrible/The connection is unstable.という例文について
インターネットの接続が悪い/不安定なときには、スカイプをしたりインターネットに支えられているアプリケーションを使うことは難しくなります。
例文
Can I talk to you later I'm failing to connect to Skype?
「スカイプの調子が悪いので、後で掛けなおしても良いですか？」
We might have to cancel the interview, I'm experiencing
connection problems.
「インタビューはキャンセルしないといけないかもしれません。接続の問題が起きています。」
Explanation: You can use the adjective 'iffy' to describe something which is not functioning well or is of dubious quality.
Example sentence:
"It's so hot in this apartment! I think the air conditioning is a bit iffy."
しっかり機能していなかったり、あやしい質だったりするときに 形容詞'iffy'を使うことができます。
例文：
"It's so hot in this apartment! I think the air conditioning is a bit iffy."
このアパートすごく暑い！エアコンに問題があると思う。
When descriving that your internet connection is not working properly you can just say 'My connection or internet connection' If you want to explain that it is your Skype thats not working properly you can say 'My Skype connection'
If something is not good it can be, 'bad', 'poor' or 'terrible' these would all explain you are having problems
The three sentences you see provided above are great ways to express to your listener that your connection is bad. In the third sentence you will notice the term work out. This means something is successful or turns out well. This is a term that is common in our everyday conversation, it would be very useful as apart of your vocabulary.
日本 
南アフリカ 
イギリス 
アメリカ合衆国 
