中なかだるみ

noun, noun or participle which takes 'suru', intransitive verb

midway slump; lull; sagging in the middle

Describes a loss of momentum, energy, or tension in the middle of a process, project, story, or period. Often used for the middle part of a long-term effort or narrative.

• プロジェクトが中なかだるみして、なかなか進すすまない。

  The project has hit a midway slump and isn't making much progress.

• この映えい画がは中なかだるみがひどくて、途と中ちゅうで飽あきてしまった。

  This movie has a terrible lull in the middle, and I got bored halfway through.

noun, noun or participle which takes 'suru', intransitive verb

slackening in the middle; becoming loose in the middle

Literal physical meaning: a rope, string, or similar object becoming slack or loose in its middle section. Less common than the figurative sense.

• ロープが中なかだるみしているから、張はり直なおそう。

  The rope is slack in the middle, so let's tighten it again.