English Vocabulary: 18 Essential Words for Clear Communication

'Problem, distress': a difficult or troubling situation or issue.
'Confuse': to make someone feel uncertain or unable to understand something.
'Though': despite the fact or idea that; however.
'Native': belonging to or characteristic of a particular place or country; indigenous.
'At any time': at any point or moment.
'Master': to become highly skilled or proficient in something.
'Improve': to make or become better.
'Confused about what': feeling uncertain or puzzled about something.
'In trouble': experiencing difficulty or facing problems.