I don't think

IPA(Pronunciation)

Interjection

used after a statement to indicate an emphatic or ironic negative

Japanese Meaning

発言に対し、強調もしくは皮肉をこめた否定を示すために使われる表現

That plan will work, I don't think.

その計画がうまくいくとは思えない。

Sense（1）

used after a statement to indicate an emphatic or ironic negative

There are lots of good things to watch on the telly tonight - I don't think!