The US is in its weakest position compared to China. The US’s global trade war makes it less able to threaten China with a coalition of countries working together to counter it economically, and the US’s trade war with China revealed America’s severe weaknesses, which is why the US keeps backing down when the bilateral trade war reaches extremes. China was starting to understand and respond to a more coalitional strategy when that got blown up with a change of president.
The uncertainty of Trump’s tariffs have hurt small businesses and people who buy from them. If people can’t be sure how much something will cost, sometimes they just hold off on that economic activity.