The idiom 'In the nick of time' means-

• In the nick of time:
English Meaning: at the last possible moment / only just in time.
Bangla Meaning: শেষ মুহূর্তে / সন্ধিক্ষণে
Ex. Sentence: We got there just in the nick of time.
Bangla Meaning: আমরা সেখানে একদম সময়মতো পৌছেছি।

• অন্যদিকে
In the wake of: following (someone or something), especially as a consequence.
In the dark: in a state of ignorance.
- In good time: with no risk of being late / very quickly or very soon.

Source: Website Lecture.