oral is a practical skill. You can speak better only by speaking more.
try this:
choose a topic, e.g. introduce yrself,
say, introduce yeself in 3 mins.
PLAN: 1 min for introduction, 1 min for yr favouite subject, 1 min to describe smthg in particular
Speak to yrself, or record yr own presentation
see if it works...
警暴處處長2020-04-22 00:37:44
入間大公司做,日日都講英文,啲同事都淨係識英文
深夜的月2020-04-22 00:40:11
文盲有無得救但聽同講無問題
識字既文盲2020-04-22 00:40:43
for yr first question: 睇字幕
and the second quest: 估,係youtube就開字幕,再查反字典,冇字幕就記住個音,搵google search讀反出來試找反個字,又或搵類似題目的新聞再睇,睇下見唔見反到呢個字