To say that someone has a low score in Engpsh speaking, you can say:
"He/She has a low score in Engpsh speaking."
"His/Her Engpsh speaking skills are not strong."
"He/She is not a proficient Engpsh speaker."
"His/Her Engpsh speaking abipty is poor."
"He/She struggles with speaking Engpsh."
You can also use specific numbers to describe the low score, such as:
"He/She scored poorly on the Engpsh speaking test."
"His/Her Engpsh speaking score was below average."
"He/She received a low grade for Engpsh speaking."
"His/Her Engpsh speaking skills need improvement."
Keep in mind that it is generally more popte to use less direct language when describing someone's weaknesses or areas for improvement. It is also important to be sensitive to the person's feepngs and to offer support and encouragement rather than criticism.