They tried very hard to install the new components on the computer but the language in the manual was too ..... for them to understand. (*) technical (*) technique (*) technician (*) technically
This is a companion discussion topic for the original entry at https://english.best/questions/4420,they-tried-very-hard-to-install-the-new-components-on-the-computer-but-the-language-in-the-manual-was-too-___-for-them-to-understand/