进一步, is an adverb meaning 'further' or to 'go a step forward'. Usually it is used in formal written Chinese, though it can be spoken as well.

Structure

It is simply placed before the verb of the sentence.

Examples

Zhè jiàn shì qínɡ xū yào jìn yí bù diào chá.
这 件 事情 需要 进一步 调查。
This event requires further investigation.

又, 再, 才能, 并 with 进一步

又, 再, 才能, and 并 also can also be added in front of 进一步.
Examples

Xiān xué hǎo dì yí wài yǔ ， zài jìn yí bù xué hǎo dì èr wài yǔ 。
先学好第一外语，再 进一步 学好第二外语。
Study your first foreign language well first, then you can take the next step and start a second foreign language.