Tā de jiǎngzuò quán shì gānhuò, yí jù fèihuà dōu méiyou.
His lecture was all solid content, without a single wasted word.
Tips
usage
In the second sense 干货 is internet praise for a talk, article or video packed with practical information: 干货满满, 'packed with useful stuff'. Its opposite is 水分, 'water', meaning padding.
mistakes
干 here is 'dry', as in 饼干 (biscuit), not 干 'to do'.
