Word Stress is golden key number one for speaking and understanding English. Word Stress is very important. You can try to learn about Word Stress. This is one of the best ways for you to understand spoken English - especially English spoken fast.
What is Word Stress?
Take 3 words: photograph, photographer and photographic, for example. Do they sound the same when spoken? No! They sound different, because one syllable in each word is "stressed" (stronger than the others). PHOtograph, photographer, photoGRAPHic
This happens in ALL words with 2 or more syllables:
TEACHer, JaPAN, CHINa, aBOVE, converSAtion, INteresting,
imPORtant, deMAND, etCETera, etCETera, etCETera
The syllables that are not stressed are 'weak' or 'small' or 'quiet'. Native speakers of English listen for the stressed syllables, not the weak syllables. If you use Word Stress in your speech, you will instantly and automatically improve your pronunciation and your comprehension.
If you have an English teacher, ask him/her to help you understand Word Stress. Try to hear the stress in words each time you listen to English - on the radio or in films for example. Your first step is to hear and recognize it. After that, you can use it!